What is the “Memory Effect”?

The “memory effect” (also known as battery effect, lazy battery effect or battery memory) can be seen in Ni-Cad and NiMH batteries. It is caused by the user continually re-charging the battery before being it has fully discharged. It describes one very specific situation in which certain NiCd batteries gradually lose their maximum energy capacity [...]

Lead-Acid Batteries

The lead-acid battery has been a successful article of commerce for over a century. Its production and use continue to grow because of new applications for battery power in energy storage, emergency power, and electric and hybrid vehicles (including off-road vehicles) and because of the increased number of vehicles for which it provides the energy [...]

Laptop battery exhaustion!

Laptop batteries are not something that most people think about as they are using the laptop. However, it is a common experience to find that the screen suddenly goes dark and you realise that you have exhausted the battery. Luckily, the answer is just to plug in the charger and carry on, and with any [...]